/*
* Copyright (c) 2025 Huawei Device Co., Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including but not limited to the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to provide persons with access to the Software
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGE OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/

import { BreakpointManager } from '../../hooks/breakpoint';
import { Breakpoint } from '../../types/breakpoint';
import { AttributeManager } from '../../hooks/attributeManager';
import { defaultBreakConfig } from './default';

/**
 * @description 基于web components实现页签栏组件容器标签
 */
export class TabBarContainerComponent extends HTMLElement {
  private _property: string[];
  private _styleElement: HTMLStyleElement | null;
  private _currentBreakpoint: Breakpoint;
  private _unsubscribeBreakpoint: () => void;
  private _attributeManager: AttributeManager;

  constructor() {
    super();
    this._styleElement = null;
    this._property = ['scope', 'vertical', 'bar-position'];
    this._attributeManager = new AttributeManager();
    const breakpointManager = new BreakpointManager();
    this._currentBreakpoint = 'sm';
    this._unsubscribeBreakpoint = breakpointManager.subscribeToBreakpoint((bp) => {
      this._currentBreakpoint = bp;
      this._attachStyles();
    })
  }

  connectedCallback(): void {
    this._attachStyles();
  }

  disconnectedCallback(): void {
    this._unsubscribeBreakpoint();
  }

  static get observedAttributes(): string[] {
    return ['scope', 'vertical', 'bar-position'];
  }

  attributeChangedCallback(name: string, oldValue: any, newValue: any): void {
    if (this._property.includes(name) && oldValue !== newValue) {
      this._attachStyles();
    }
  }

  private _attachStyles(): void {
    if (this._styleElement) {
      this._styleElement.remove();
    }

    const vertical = this._attributeManager.processBoolean(this.getAttribute('vertical'), defaultBreakConfig.container[this._currentBreakpoint].vertical);
    const barPosition = this.getAttribute('bar-position') || defaultBreakConfig.container[this._currentBreakpoint].barPosition;
    const flexDirection = vertical ? (barPosition === 'start' ? 'row-reverse' : 'row') : (barPosition === 'start' ? 'column-reverse' : 'column');
    const scopeId = this.getAttribute('scope') || '';
    const style = document.createElement('style') as HTMLStyleElement;
    style.textContent = `
      .${scopeId} {
        display: flex;
        display: -webkit-flex;
        width: 100%;
        height: 100%;
        flex-direction: ${flexDirection};
      }
    `;

    this._styleElement = style;
    document.head.appendChild(style);
  }
}

if (!customElements.get('tab-bar-container')) {
  customElements.define('tab-bar-container', TabBarContainerComponent);
}